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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Custom .22-250?
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<blockquote data-quote="Hugnot" data-source="post: 3066927" data-attributes="member: 115658"><p>I am real olde & like stuff that works good. I have 4, .22-.250's all with 7.7 twist, McGowen barrels. I only shoot 75 grain ELDM bullets. I like SW 4350 & StaBall 6.5 powder. Any kind of large rifle powder works but I prefer standard primers for extruded powders like the friendly, accuracy producing, & available SW 4350. StaBall 6.5 provides about 100 fps more velocity & is more happy with more sparky primers like CCI 34's.</p><p></p><p>Three of my rifles are SA Ruger M77 MKII's, 1 is a Rem SA 700. One Rugers has a Timney trigger, the other 2 have had self performed trigger jobs involving lightening spring tension & engagement tuning. Two of the Ruger's are 1st run push feed & I converted them to single shot by drilling & tapping .25X28 (same as Rem 700) front action screw hole on bottom of receiver - works good & I then traded off magazine parts.</p><p></p><p>7.7 twist:</p><p></p><p>[ATTACH]556418[/ATTACH]</p><p></p><p>.224 75 ELDM</p><p></p><p>[ATTACH]556420[/ATTACH]</p><p></p><p>Staball 6.5 with Fed 215M</p><p></p><p>[ATTACH]556421[/ATTACH]</p><p></p><p>The .22-.250 AI would reduce case stretching & give slightly more velocity. Small primer .22-.250 brass would make me real happy. I am now mounting scopes using Burris Ruger M77 mount bases with Burris Sig rings or Weigand 20 MOA bases. This gives me increased range like up to 1,000 yards & helps to keep reticle, both elevation & windage closer to center.</p></blockquote><p></p>
[QUOTE="Hugnot, post: 3066927, member: 115658"] I am real olde & like stuff that works good. I have 4, .22-.250's all with 7.7 twist, McGowen barrels. I only shoot 75 grain ELDM bullets. I like SW 4350 & StaBall 6.5 powder. Any kind of large rifle powder works but I prefer standard primers for extruded powders like the friendly, accuracy producing, & available SW 4350. StaBall 6.5 provides about 100 fps more velocity & is more happy with more sparky primers like CCI 34's. Three of my rifles are SA Ruger M77 MKII's, 1 is a Rem SA 700. One Rugers has a Timney trigger, the other 2 have had self performed trigger jobs involving lightening spring tension & engagement tuning. Two of the Ruger's are 1st run push feed & I converted them to single shot by drilling & tapping .25X28 (same as Rem 700) front action screw hole on bottom of receiver - works good & I then traded off magazine parts. 7.7 twist: [ATTACH alt="Screenshot (867).png"]556418[/ATTACH] .224 75 ELDM [ATTACH alt="Screenshot (868).png"]556420[/ATTACH] Staball 6.5 with Fed 215M [ATTACH alt="Screenshot (869).png"]556421[/ATTACH] The .22-.250 AI would reduce case stretching & give slightly more velocity. Small primer .22-.250 brass would make me real happy. I am now mounting scopes using Burris Ruger M77 mount bases with Burris Sig rings or Weigand 20 MOA bases. This gives me increased range like up to 1,000 yards & helps to keep reticle, both elevation & windage closer to center. [/QUOTE]
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